Desk with typewriter attachment



M.4 H. RAGGIO DESK WITH TYPEWRITER ATTACHMENT sept, 4, 194'5.

Filed Sept. 21, 1942 i5 Sheets-Sheet l Sept. 4, 1945. M. H. RAGGIOv 2384045 -Filed sept. 21', 1942 3 sheets-sheet `3 IN1 To. ,BY 7 uga/TJ Patented Sept. 4, 1945 -v2,384,045 DESKMTH TYPWRITER ATTACHMENT MaynardHRaggio, Chicago, Ill. A V Appiieanonsemembef 21, 1942, serial No. 459,091

` 1o Clarins. (C1. S12-29) This invention relates to afdesk having va, tyi writer attachment, and more particularly =to such desk in which the typewriter platform when the typewriter is not in use is swung downwardly'to substantially a vertical position` and then-slid backwardl'y linto the 'typewriter receivingfcfo'frn-l partrnent, and in which `attachrnent the-iordinafry type of hinge is elminated Iand substantially Tn'o metal need be used unless desired. l .,i i

In the 'old vtype o'f itypewriter desk having 'a swinging and sliding Wpewriter'platformme guideways `for enabling the 'sliding movement' of the sameba'ck into the compartment, *we're'of 'such character that' considerable ybinding 'and @ramping between the runner andthe gui'deways occurred,

Another object is to provide a swinging ldoor for the front of the well, which when swung to open and in which desk'the Ao'rdirliary metal hinge "was used to enable swinging of `the typewriter `:platiform from a vertical to 'a horizontal position. Also in such 'old type of desk cbnsiderablenetal was used, which is now difficult to obtain.

In the present invention I nave provideda structure which is vlcapalole 'of `substantia'lly lli'minating metal, except 'for screws 'and the like, and I have eliminated the "ni-etal hinges for the 'typewriter `platform, and at the same time have strengthened boththe platform and the sliding and swinging parts, lessened the Sliding friction and eliminated the binding and cramping 'action that would be prsent With the 01d 'type of hinge mounting. If metal, plastics or `other suitable materials were available and desirable, 'the saine may 'be used without departing from the spirit of my'invention.

` Among the objects ofmy invention are to over'- come disadvantages and utilize advantage, 'referred to iabove and pointed o'ut more in detail later herein. 'l l A Iu'rthe'robje'ct i's to provide a novel means for mounting the typewriter platform with relation 'to the guide'way, `for enabling vertical swinging and longitudinalsliding movements, without the use of 'metal hinges, or parts that would produce undue friction or binding during sliding movement. Y

Another object i's to provide means for automatlcally preventing lobsenss or vibration ofthe typewriter platform when .in horizontal position.

A still 'further object is to provide a novel form and arrangement of 'extension bar, and connection of the same with relation to the typewriter platform and 'the 'guide'way in the compartment.

Yet 'another object is to provide novel means for releasably locking' the 'typewriter platform in horizontal position, and readily unlocking the` same without 'the necessity of'usin'g the hands.

position Ais provided with means for supporting the front end of the extension bar when-extended.

A still further object is to provide lanti-friction means for holding the lowered typewriter support in vertical position 'and "assist in the Veasy sliding of the same, together With the typewriter, rear wardly into thecompartm'ent.

A further object is to provide anovelarrangee ment of extension bar which is both rotatable-22nd longitudinally slidable in a fguidefway, and which bar has the typewriterl platform iiiied thereto so as to eliminate the need for metal hinges vand the tendency to twist, and lessen sliding friction,

Other objects, advantages 'and capabilities 'in-y herently possessed by the invention will later more fully appear.

My invention further resides in the iz'o'r'iliiia-vv l Figure 1 is a fragmentary perspective view of a corner of a desk, table or the like, havingfa typee` writer platform and attachment embodying fmy Figure 2 is a View similar to Figure 1 but showing the typewriter platform pulled forward-out of the desk and'in-horizontal position.

Figure 3 is a fragmentary front elevation of desk or the like with the door open and showing the typewriter platform inl lowered Vertical position.

Figure '4 is a view simi-lar to Figure -3 but showing the typewriter platform in forward vand horizontal position.

Figure 5 is a more-oreless diagrammatic vtop plan view, partly in section, with thetop of the desk omitted except to fragmentarily show its joutey line in dotted lines, and showing the platform in lowered and rearward posit-ion.

Figure `6 is a view similar to Figure 5, sho-wing the typewriter platform in lowered'position but pulled forward out 'of the compartment and just prior to raising said platform te horizontal tion.

position.

Figure 8 is a vertical transverse sectionfon thev me 'is sus- Figure 7 is a View similar to Figure 6 but -sn'o'wrv ing the typewriter platform raised to horizontal Referring more in detail to the drawings, my invention is applied to a desk, table or the like in which a .typewriter platform is to be mounted so that the platform may be housed out Aof sight in a typewriter compartment in the desk or the like, and when desired may be pulled forward out of the compartment and swung upwardly intohorizontal position for use. The desk, as seen in Figures 1 and 2, comprises a top I, front legs i?v and 3, one on each side of the front of the well for housing the typewriter platform 4 when the typewriter is not in use, and a front swinging door G for-closing when the typewriter platform and typewriter are pushed back into the ,cornpartment. The typewriter 5 is securely fixed to the platform 4 so that it will remain in place thereon not only when the platform is swung upwardly into horizontal position but also when it` is swung downwardly into vertical position ready to be pushed rearwardly into the compartment,

and when in the compartment. The platform is swingably positioned at such height that when it is swung upwardly into horizontal position the typewriter will be at such height as to be con.-

Venient for use when the operator is seated facing the same at the front of the desk.

Fixed between the front leg 3 and the rear leg` 1, by mortise and tenon or other suitable con-` necting means, is a supporting bar 8, formed of any suitable material, but preferably of plywood, and positionedV just inside of the end wall e and at the-proper height for the purposes intended. The vinner vertical face of bar 8 is preferably in the same Vertical plane as the inner faces of legs 3.

and 'I so that, as will be later explained, the extension bar IIJ (preferably of wood but not limited thereto) may be slidably moved forwardly inside of leg 3. f

Firmly secured to the inner face of bar 8 bywood screws I I, or other suitable fastening means, are two elongated guide ,rails I2 and I3, formed preferably of wood,vbut might be made of other material if desired. Guide rail I2 in its lower face is formed with a groove I4 extending longitudinally throughout its length `and arcuate in cross section as seen in Figures 9 and 10. VA similar groove I 5 is formed in the upper face of guide rail I3. As shown in Figure 8, guide rails I2 and I3 are vertically spaced apart such distance that the transversely arcuate grooves I4 and I5 re-` ceive the rounded portion I6 of the extension bar Ill with a sliding fit, but not too loose. in Figures l to 4, 8 and 9, that portion of the exr-l tension bar I0 to' which the typewriter1 platform` 4 is secured is flattened on the two diametrically opposite sides II and I8, said platform being'secured by screws, bolts or other suitable fastening means to the flat side II. The bottom of the ex-3 e tension bar I0 at its forward end fora short-distance will be round to rotatably seat in the groove of -block 23. As will be understood from Figure 8, these flattened portions of extension bar if extend forwardly from near the middle vof desk leg 3 when the typewriter platform is pulled As seen forwardly out of thev compartment to its extreme position, except the front end of the flattened side I8 as explained above. Whenin this position it will be understood that the platform 4 may be swung from its lowered vertical position, upwardly to horizontal position to present the typewriter for use. This upward swinging movement is made possible by rotation of the round portion I6 of extension bar I9 in the oppositely facing arcuate grooves I 4 andv I 5, see Figure 9. Also, as will be understood in Figure 3"`when`the platform 4 is swung downwardly to vertical position, the rounded sides I9 and 28 o-f the forward portion of the extension bar I0, between the fiattened portionsy I'I and I8, will be at the top and bottom (the flattened faces then being in a vertical position at the two sides) and will slidingly fit the arcuate grooves I4 and I5 of the guide rails I2 and I3 ywhen the typewriter platform and its typewriter are pushed rearwardly into the compartment of the desk, and thus enable such sliding movement. f` In order to tighten the extension bar with relation to the guide rails when'the typewriter 'platform is in horizontal position, and thus automatically eliminate vibration between these parts when the typewriter is in use', the roundedrear endportion II of the extension bar It! ri-s formed ontWo of Yits diametrically opposite sides with cam shaped surfaces 2| and 22 (see Figure 10) which, when the platform is forward and raised to horizontal position and the extension bar ro,

tated by that amount, will exert aY tightening action against the arcuate faces of grooves I4 and I5. This will hold these parts tight against Vibration when the platformv is in horizontal position, and when the platform is swung downwardly' to Vertical position willloosen these parts sufciently to' enable the rearward usliding of the ex.

tension barwith relation vto the guide rails when the platform and typewriter are being pushed rearwardly into the compartment. r-

As seen in Figures 1 and 2, there is fixed to the swinging door E, at the front edge on the inner face in alignment with the lower faoeof the ex tension bar, a supporting block 23 formed in its upper face with an arcuate'groove 24 to 'receive the front end ofthe extension bar tosupport the same and relieve it from bending strain or crampirg that might otherwise result from the-:weight of the platformand its attachedftypewriter. The door 6 isfso hinged that when it is swung to its furthermost outwardv position the block,23 `will be in proper alignment to receive the forward end of the extension bar as will be understood'in Figures 2 and 3. The groove 24 in` block y23 jis of sufficient depth that the rounded outer end of.

the flattened face I8 of the extension bar will facilitate ninety degrees rotation of the extension bar during movement of the platform from vertical to horizontal position. fiattened face I8 terminates short of the `forward end ofthe extension bar to provide -arounded portion for rotation inthe groove 24.

To vhold the platform releasablylocked inhorizontal position the desk leg 2 has formed thereinv 26 will be pushed in a; clockwise direction in Figi Y ure 9,- byy the platform edge until released, the

latch then snapping intollatchingposition.: The

In other words the is swung to raised position, but tight enough therein to prevent vibration when the typewriter 'is vin use.

6. In a desk having a typewriter receiving compartment and legs one of which legs at the front vof the compartment is formed with a slot, a typewriter attachment comprising a typewriter holding platform, a generally cylindrical extension bar fixed to the platform and extending rearwardly therefrom, a guide rail construction secured to a side ofthe compartment and having a longitudinally extending and transversely curved groove in which the extension bar is rotatably and longitudinally slidably mounted, the

platform being swingable to horizontal position when pulled forward out of the compartment,

ya latch for releasably holding the platform in horizontal position, a pin in the platform projecting into the slot withsuch snugness as to prevent longitudinal vibration, the upper end of the latch being cam shaped to hold the pin against the top end of the slot and prevent vertical vibration, and spring means for normally urging'the latch into latching position.

7. A typewriter attachment adapted to be form being secured to the outer face of the extension bar to be laterally offset from the center of rotation thereof, the extension bar being rotatable with relation to said arcuate surfaces at all positions of its longitudinal sliding movement.

Writer attachment comprising a typewriter supporting platform, a generally cylindrical extension bar having one of its outer faces secured to one side portion of the platform so that the platform adjacent face is laterally. offset from the 8. In a desk having a compartment, a type"l 4Q axis of rotation of the extension bar, the extension bar extending rearwardly from the platform, a guide rail construction secured to a side of the compartment and having vertically spaced arcuate surfaces facing each other and between which surfaces the extension bar is rotatably and longitudinally slidably mounted, the spaced arcuate surfaces extending the greater part of the width of the desk, and means for holding the platform in elevated operative' position when the platform is pulled forwardly and swung upwardly.

9. In a desk formed with a compartment construction having side walls and a rear end wall, a typewriter attachment comprising a pair of vertically spaced apart guide rails fixed to said compartment construction adjacent one of vsaid side walls and extending approximately the width of a side wall, the'upper edge of the lower guide rail and the lower edge of the upper guide rail each having a longitudinally extending and transversely formed arcuate groove, a typewriter platform, a generally cylindrical extension bar fixed at one of its forward outerfaces to said platform so that the platform is laterally olTset from the axis of rotation of the extension bar, the extension bar extending rearwardly from one side of the platform, said extension bar being rotatable between said upper and lower guide rails at all positions of its longitudinal sliding movement to enable the typewriter platform to be moved forwardly from a lowered position within the cabinet to an outer position and then swung upwardly to a position for use and may be lowered and moved rearwardly into the cabinet.

10. A typewriter attachment adapted. to be mounted in a 'compartment of a desk and thel like, comprising a typewriter platform, a, guide rail construction adapted to be secured to a side of the compartment and having a pair of vertically spaced longitudinally extending and transversely curved grooved members, a generally cylindrical extension bar xed to said platform and being slidable between said grooved members and rotatable therebetween when the platform is pulled out of the well to enable it to be swung upwardly into horizontal position, and a cam surface on said extension bar to grip the grooved members to prevent vibration when the platform is in horizontal position.

MAYNARD H. RAGGIO. 

